Combination set protractor



FIG. 1 is front elevational view of a combination set protractor showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational view thereof showing the protractor in an alternative position. 

The ornamental design for a combination set protractor, substantially as shown. 